Conjunction Event Detail

    Low Risk
    Low collision probability. Continue monitoring.
    1.121858E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-09-05T16:08:18+0800
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    1 Object 1

    AOE ID 47978
    NORAD ID 47978
    Object Type PAYLOAD
    Country
    US US
    VS

    2 Object 2

    AOE ID 52379
    NORAD ID 52379
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter STARLINK-1647 STARLINK-3800
    Time of Closest Approach 2026-09-06T17:20:28+0000
    Collision Probability (Pc) 1.121858E-6
    Conjunction Distance (km) 2.985 km
    Relative Speed (km/s) 10.722 km/s
    Conjunction Risk Parameters R (Radial): -2.902 | I (In-track): 0.497 | C (Cross-track): -0.482
    Collision Risk Index (CRI) 0.36
    X Position (km) -3001.553 -2999.687
    Position Y (km) -4920.031 -4918.303
    Position Z (km) 3691.851 3690.289
    Velocity X (km/s) 6.15 3.133
    Velocity Y (km/s) -0.357 -5.304
    Velocity Z (km/s) 4.509 -4.511

    Orbital Parameters 国际轨道数据源

    Parameter STARLINK-1647 STARLINK-3800
    Semimajor Axis (a) 6848.875 km 6846.060 km
    Eccentricity (e) 0.000109 0.000125
    Inclination (i) 53.1587° 53.1577°
    RAAN 218.1513° 97.1740°
    Perigee Argument 94.7844° 212.4449°
    Mean Anomaly (M) 265.3282° 147.6476°
    Apogee 471.486 km 468.779 km
    Perigee 469.990 km 467.067 km
    Orbit Epoch 2026-09-04T22:52:30+0000 2026-09-04T14:39:52+0000

    STARLINK-1647 & STARLINK-3800 Collision Probability (Pc) Trend

    STARLINK-1647 & STARLINK-3800 Collision Probability (Pc) TrendNot Available

    STARLINK-1647 & STARLINK-3800 Miss Distance (Miss Distance) Trend

    STARLINK-1647 & STARLINK-3800 Miss Distance (Miss Distance) TrendNot Available

    STARLINK-1647Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    STARLINK-3800Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    STARLINK-1647Collision Probability Trend

    Object 1 Probability TrendNot Available

    STARLINK-3800Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with STARLINK-1647

    No nearby objects data